| 摘要 |
Provided are a carbon-nanotube-elastomer composite material that enables continuous use equal to or greater than 24 hours at a temperature equal to or greater than 150 ºC, and a sealing material and a sheet material employing the same. A carbon-nanotube-elastomer composite material according to the present invention is a carbon-nanotube-elastomer composite material containing carbon nanotubes and an elastomer, in which 0.1 parts by weight or greater and 20 parts by weight or less of the carbon nanotubes are contained relative to the total weight of the carbon nanotube and the elastomer, the pyrolysis temperature of the elastomer is equal to or greater than 150 ºC, and, in the case in which the storage elastic modulus when the carbon-nanotube-elastomer composite material is held at 150 ºC for t hours is defined as E'(t), the ratio E'(24)/E'(0) of a storage elastic modulus E'(0) at t = 0 hour and a storage elastic modulus E'(24) at t = 24 hours falls within a range between 0.5 and 1.5. |
